function start(request, response) {
    var html = '<html>\
        <head>\
        <meta charset=UTF-8" />\
        </head>\
        <body>\
        <form action="/show" method="post">\
        <p>username : <input type="text" name="username" /></p>\
        <p>password : <input type="password" name="password" /></p>\
        <p>age : <input type="text" name="age" /></p>\
        <p><input type="submit" value="submit" name="submit" /></p>\
        </form>\
        </body>\
        </html>'

    response.writeHead(200, {'content-type': 'text/html'})
    response.write(html)
    response.end()
}

exports.start = start